Question

Simplify the number using the imaginary unit i square root of -98

Answer 1

Answer:

$\sqrt{-98}=7i\sqrt{2}$

Step-by-step explanation:

We wish to simplify:

$\sqrt{-98}$

We can rewrite it as such:

$=\sqrt{-1\cdot 98} =\sqrt{-1\cdot 49\cdot2}=\sqrt{-1}\cdot\sqrt{49}\cdot\sqrt{2}$

Hence:

$=i(7)\sqrt{2}$

Therefore:

$\sqrt{-98}=7i\sqrt{2}$

Answer 2

this is the answer

Step-by-step explanation:

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